Coal seam reinforcing structure and coal seam reinforcing method

The invention provides a coal seam reinforcing structure and a coal seam reinforcing method. The coal seam reinforcing structure comprises a lower coal seam roof and a reinforcing assembly; a crack is formed in the lower coal seam roof; the reinforcing assembly comprises a drilling anchor and a reinforcing piece, the drilling anchor is drilled into the lower coal seam roof and communicates with the crack, and the drilling anchor is used for injecting reinforcing liquid into the crack; and the reinforcing piece abuts against the outer wall of the lower coal seam roof and is fixed to the lower coal seam roof through the drilling anchor. In the coal seam reinforcing structure, the drill anchor is arranged to be matched with the reinforcing piece, the reinforcing piece can be fixed to the lower coal seam roof through the drill anchor and support and reinforce the lower coal seam roof, and the drill anchor can inject the reinforcing liquid into the crack in the lower coal seam roof, so that not only can the integr